On solar zenith angle dependence of annual Component quiet-day range in H at Alibag

Authors

  • A. YACOB

DOI:

https://doi.org/10.54302/mausam.v21i3.5415

Abstract

The annual component of monthly mean diurnal range in the quiet-day h at Alibag, isolated by digital filtering and averaged for the years 1909 to 1963, is found to have a dependence on monthly solar zenith angle at noon according to (cos X) 0.85.  Relevant features of the residual annual variation of the diurnal range, obtained after noralization for the solar-zenigh angle modulation are discussed and attributed to similar variations in the prevailing winds of the lower ionosphere at middle and high latitudes.  The indicated easterly winds appear strongest in mid winter and mid summer and weakest around September.

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Published

01-07-1970

How to Cite

[1]
A. . YACOB, “ On solar zenith angle dependence of annual Component quiet-day range in H at Alibag”, MAUSAM, vol. 21, no. 3, pp. 489–494, Jul. 1970.

Issue

Vol. 21 No. 3 (1970): MAUSAM

Section

Shorter Contribution

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